Finding the Fourth Proportional to 3,485.88, 4,810.53 and 2,070.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485.88 : 4,810.53 = 2,070.27 : x
2. Step 2: Convert to fraction form
   3,485.88/4,810.53 = 2,070.27/x
3. Step 3: Cross multiply
   3,485.88x = 4,810.53 × 2,070.27
4. Step 4: Simplify right side
   3,485.88x = 9,959,085.59
5. Step 5: Solve for x
   x = 9,959,085.59/3,485.88
6. Step 6: Final answer
   x = 2,856.98